Tag Archives: forage fish

Thursday

For­age Fish dynam­ics For­age fish con­sump­tion: who con­sumes, how impor­tant is it. e.g. Africa imports more quan­tity of fish, but of low value. net exports based on value. food secu­rity / under­nour­ished regions for­age fish sub­sti­tutable? Study in Asia: Pretty inelas­tic. income elas­tic­ity vs wealth elas­tic­ity (not a real dif­fer­ence. but pat­terns of con­sump­tion of a

Thursday, Fisheries course

Fish­eries impact on for­age fish.  For­age fish impact on the pri­mary fish­eries. Hux­ley, 1882: “Great Sea Fish­eries can­not be exhausted” (full address) Worm et al., 2006: All fish will col­lapse by 2050 Benguela Cur­rent upwelling (Anchovy col­lapse) Dis­cus­sion of: Prey switch­ing impact? Wasp-waist ecosys­tems Ecopath/ecosim vs Atlantis Ques­tions: Can we iden­tify the nature of con­trol? Impor­tance

Thursday

9–9:20 Updat­ing research state­ment (home page). 9:20 –9:40 Updat­ing note­book: Review, Tues­day & Wednes­day meet­ings cof­fee 9:50 Appli­ca­tion. 10–11:30: For­age fish dynam­ics, Sanchirico and Ess­ing­ton Jim gives the broad overview,  cen­tral question: What are the benefits/costs of a % reduc­tion in the catch C of for­age fish N: \[ \Delta C \dow­nar­row \to \Delta N \to  \Delta F,

Thursday

Sent off review. finally. Sanchirico sem­i­nar with Tim Ess­ing­ton (U Wash­ing­ton). Goal: Pre­pare for a review on for­age fish­eries. Out­line back­ground back­ground Fish­ery inter­ac­tions marine mammal/seabird inter­ac­tions Cli­mate & for­age fish Fish­meal (Demand side) direct con­sump­tion (Demand side) Vit­a­min supp / health ben­e­fits (Demand side) Non-market value marine mam­mals Syn­the­sis Forage-fish: “foun­da­tion species” in marine ecosys­tems,